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York YZE SERIES, Installation Manual

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York YZE SERIES Installation Manual Download Page 20

035-20401-001 Rev. A (0904)

20

Unitary Products Group

TABLE 13: 

15Z24HP Subcooling Charging Chart

COOLING MODE

Outdoor

Ambient

Indoor Wet Bulb (°F)

57

62

67

72

DB (°F)

Liquid Pressure (Subcooling)

65

228 (8)

231 (8)

235 (9)

236 (9)

70

249 (9)

252 (9)

256 (10)

257 (10)

75

271 (10)

274 (10)

278 (10)

279 (11)

80

294 (10)

296 (10)

300 (11)

302 (11)

85

318 (10)

320 (10)

324 (11)

326 (11)

90

342 (10)

344 (10)

348 (11)

350 (11)

95

368 (10)

370 (10)

373 (11)

376 (11)

100

394 (10)

396 (10)

399 (11)

402 (11)

105

421 (11)

423 (11)

426 (11)

429 (11)

110

449 (11)

451 (11)

454 (11)

457 (11)

115

478 (10)

480 (10)

483 (11)

486 (11)

120

508 (10)

510 (10)

513 (10)

516 (10)

125

538 (9)

540 (9)

543 (9)

546 (9)

TABLE 14: 

15Z36HP Subcooling Charging Chart

COOLING MODE

Outdoor 

Ambient

Indoor Wet Bulb (°F)

57

62

67

72

DB (°F)

Liquid Pressure (Subcooling)

65

225 (4)

229 (7)

238 (10)

241 (10)

70

244 (4)

248 (7)

258 (11)

262 (11)

75

264 (4)

268 (8)

279 (12)

283 (12)

80

285 (4)

289 (8)

301 (12)

306 (12)

85

308 (4)

312 (8)

324 (12)

329 (12)

90

332 (4)

336 (8)

348 (12)

353 (11)

95

357 (4)

361 (8)

373 (12)

378 (11)

100

384 (5)

388 (8)

399 (12)

404 (11)

105

412 (6)

416 (9)

426 (12)

431 (11)

110

441 (7)

445 (9)

454 (12)

458 (11)

115

471 (8)

475 (10)

482 (12)

487 (11)

120

503 (9)

507 (10)

512 (11)

516 (11)

125

536 (10)

540 (10)

543 (11)

546 (10)

TABLE 15: 

15Z48HP Subcooling Charging Chart

COOLING MODE

Outdoor 

Ambient

Indoor Wet Bulb (°F)

57

62

67

72

DB (°F)

Liquid Pressure (Subcooling)

65

226 (5)

228 (5)

230 (5)

231 (5)

70

247 (6)

248 (6)

250 (6)

252 (6)

75

269 (7)

270 (7)

271 (6)

273 (6)

80

291 (7)

292 (7)

293 (6)

295 (6)

85

314 (7)

315 (7)

316 (6)

318 (6)

90

338 (7)

339 (7)

340 (6)

341 (6)

95

362 (7)

363 (7)

364 (6)

365 (6)

100

388 (8)

389 (8)

390 (7)

391 (6)

105

413 (8)

414 (8)

415 (8)

416 (7)

110

439 (9)

440 (8)

441 (8)

442 (7)

115

466 (9)

467 (8)

468 (8)

469 (7)

120

494 (9)

495 (8)

496 (8)

497 (7)

125

522 (9)

523 (8)

524 (8)

525 (7)

TABLE 16: 

15Z60HP Subcooling Charging Chart

COOLING MODE

Outdoor 

Ambient

Indoor Wet Bulb (°F)

57

62

67

72

DB (°F)

Liquid Pressure (Subcooling)

65

235 (5)

236 (5)

238 (9)

241 (7)

70

256 (5)

257 (6)

259 (9)

262 (8)

75

278 (6)

279 (6)

281 (9)

284 (8)

80

300 (6)

302 (7)

304 (8)

306 (8)

85

323 (7)

325 (7)

327 (7)

329 (8)

90

347 (7)

349 (7)

351 (7)

352 (7)

95

371 (7)

372 (7)

374 (7)

376 (7)

100

396 (7)

398 (7)

399 (7)

401 (6)

105

422 (7)

423 (7)

424 (6)

426 (6)

110

448 (7)

449 (7)

451 (6)

452 (6)

115

476 (7)

477 (7)

478 (6)

479 (5)

120

504 (7)

505 (7)

506 (5)

507 (5)

125

532 (6)

533 (6)

534 (5)

535 (4)

Summary of Contents for YZE SERIES

Page 1: ...ractices and hazards involving only property dam age Improper installation may create a condition where the operation of the product could cause personal injury or property damage Improper installatio...

Page 2: ...topped ground area the unit should be raised sufficiently above the roof or ground to avoid taking the accumulated layer of hot air into the outdoor unit Provide an adequate structural support ADD ON...

Page 3: ...a line will result in loss of capacity and other problems caused by insufficient refrigerant flow Slope horizontal vapor lines at least 1 every 20 feet toward the out door unit to facilitate proper oi...

Page 4: ...tem from the vapor service port connection After this con nection has cooled remove the nitrogen source from the liquid fit ting service port 7 Replace the Schrader core in the liquid and vapor valves...

Page 5: ...a vertical run the bulb should be located at least 16 inches from any bend and on the tub ing sides opposite the plane of the bend The bulb should be positioned with the bulb tail at the top so that t...

Page 6: ...hat a mini mum air flow of 325 cfm ton be supplied at all times CFM SELECTION BOARD SETTINGS For proper system operation the CFM Selection Board jumpers must be set properly Refer to the Tabular Data...

Page 7: ...operation the unit must be evacuated and charge weighed in per the marking on the rating plate For the cooling operation the recommended subcooling is typically around 10 F This may vary greatly base...

Page 8: ...ys that are already energized but will not energize any additional relays until the voltage level increases If the voltage drops below approximately 16 VAC the control will imme diately de energize th...

Page 9: ...not be displayed when a fault code is present During the following conditions the control will not energize the X L out put FAULT CODE DISPLAY X L Output The X L terminal of the heat pump control is...

Page 10: ...ored fault codes from the control s memory This practice will enable better troubleshooting and diagnosis of system problems If the stored fault codes are not cleared after the cause of the problem ha...

Page 11: ...be removed and reapplied When the hard lockout condition is reset the control will de energize the LED and X L outputs and respond to thermostat inputs normally Wiring or Setting Related Lockouts The...

Page 12: ...ing cycle The control will initiate a defrost cycle every 6 hours accumulated com pressor run time to recirculate refrigerant lubricants This forced defrost timer will be reset and restarted following...

Page 13: ...es Recycling 24VAC to the control Shorting the TEST input pins If the Y2 LOCK jumper is in the OFF position the control will not imple ment second stage anticipation mode This results in second stage...

Page 14: ...uid line temperature Therefore if the control energizes Y2 OUT because the outdoor ambient temperature is greater than or equal to 50F or because the liquid line temperature exceeds the curve for the...

Page 15: ...ode If the other exit conditions are met while the unit is in defrost mode the control will complete the defrost cycle and then exit the forced second stage feature During defrost operation the contro...

Page 16: ...re is greater than the bal ance point setting the control will not energize the auxiliary heat out puts However the control shall ignore the balance point setting and energize auxiliary heat under som...

Page 17: ...t the control will de energize the compressor outputs and energize W1 OUT and W2 OUT immediately Table 11 describes the auxiliary heat operation for fossil fuel mode Bonnet Sensor Fossil Fuel Mode The...

Page 18: ...this document for detailed information The Y2 Lock jumper on the control is shown in figures 11 14 The fac tory places the Y2 Lock jumper in the ON position If the jumper is removed the control will...

Page 19: ...When applicable instruct the owner that the compressor is equipped with a crankcase heater to prevent the migration of refrigerant to the compressor during the OFF cycle The heater is energized only...

Page 20: ...404 11 105 412 6 416 9 426 12 431 11 110 441 7 445 9 454 12 458 11 115 471 8 475 10 482 12 487 11 120 503 9 507 10 512 11 516 11 125 536 10 540 10 543 11 546 10 TABLE 15 15Z48HP Subcooling Charging C...

Page 21: ...035 20401 001 Rev A 0904 Unitary Products Group 21 SECTION X WIRING DIAGRAM FIGURE 15 Wiring Diagram...

Page 22: ...035 20401 001 Rev A 0904 22 Unitary Products Group NOTES...

Page 23: ...035 20401 001 Rev A 0904 Unitary Products Group 23...

Page 24: ...ct to change without notice Printed in U S A 035 20401 001 Rev A 0904 Copyright by York International Corp 2004 All rights reserved Supersedes Nothing Unitary 5005 Norman Product York OK Group Drive 7...

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